LT1725IGN#TRPBF Allicdata Electronics
Allicdata Part #:

LT1725IGN#TRPBF-ND

Manufacturer Part#:

LT1725IGN#TRPBF

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Linear Technology/Analog Devices
Short Description: IC REG CTRLR FLYBACK 16SSOP
More Detail: Flyback Regulator Positive or Negative, Isolation ...
DataSheet: LT1725IGN#TRPBF datasheetLT1725IGN#TRPBF Datasheet/PDF
Quantity: 1000
Stock 1000Can Ship Immediately
Specifications
Frequency - Switching: 90kHz ~ 115kHz
Base Part Number: LT1725
Supplier Device Package: 16-SSOP
Package / Case: 16-SSOP (0.154", 3.90mm Width)
Operating Temperature: -40°C ~ 125°C (TJ)
Control Features: Enable, Soft Start
Serial Interfaces: --
Clock Sync: No
Synchronous Rectifier: No
Duty Cycle (Max): 90%
Series: --
Voltage - Supply (Vcc/Vdd): 9.7 V ~ 22 V
Output Phases: 1
Number of Outputs: 1
Topology: Flyback
Output Configuration: Positive or Negative, Isolation Capable
Function: Step-Up/Step-Down
Output Type: Transistor Driver
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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LT1725IGN#TRPBF Application Field and Working Principle

Introduction

The LT1725IGN#TRPBF is a high performance, low-voltage DC to DC switching controller from Texas Instruments. It is a part of Texas Instruments’ family of “DC to DC Switching Controllers”, and is designed for applications that need a high level of power conversion efficiency and stability for powering point-of-load voltage requirements.

Application Field

The LT1725IGN#TRPBF is a great solution for powering a variety of applications, especially those with stringent requirements in terms of power efficiency, output voltage range and load-step response time. It is suitable for applications such as enterprise and telecom power supplies, industrial systems, server applications, wireless base stations, distributed power systems, automotive applications and even notebook computer power supplies.

Features

The LT1725IGN#TRPBF benefits from a wide range of features, providing a variety of advantages to the user. It offers high efficiency, providing up to 92% efficiency over a wide range of load conditions. The high efficiency reduces the power dissipation over the heat-sink, as well as the noise in the output.The part also provides excellent transient response and load-step times, making it suitable for applications with stringent system dynamics requirements. They also feature a wide range of safety features and protection, providing a robust and reliable power solution.

Working Principle

The LT1725IGN#TRPBF works on the principle of DC to DC conversion, where the input source voltage is converted to an intermediate voltage, typically at a constant current, that is then converted back to output voltages in a second stage. The part works in two separate stages, the first being the buck inductor stage, and the second being the switch-mode power supply stage. In the first stage the input voltage is converted to a lower voltage by a buck inductor and current-mode PWM controller. The output from this first stage is then fed to a voltage controlled oscillator in the second stage, which then has input from the output voltage. The VCO output is then fed to an integral comparator circuit, and this then drives the PWM controller, causing the output of the first stage to be controlled as well. The output of the VCO is then compared to the output voltage of the power supply, and if necessary will cause the ouput voltage to be adjusted in order to keep the output at the desired level.

Conclusion

The LT1725IGN#TRPBF has been designed to provide an extremely efficient and reliable power solution. It features a wide range of features and safety features, providing a high-performance and reliable solution to any application requiring power conversion and stability. The part also consists of two separate stages, allowing for excellent transient response and load-step times.

The specific data is subject to PDF, and the above content is for reference

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